diff --git a/static/bootstrap/stylesheets/bootstrap/mixins/_nav-vertical-align.scss b/static/bootstrap/stylesheets/bootstrap/mixins/_nav-vertical-align.scss
new file mode 100644
index 0000000000000000000000000000000000000000..c8fbf1a7d67d35140c5de3b192fd917775ac8c18
--- /dev/null
+++ b/static/bootstrap/stylesheets/bootstrap/mixins/_nav-vertical-align.scss
@@ -0,0 +1,9 @@
+// Navbar vertical align
+//
+// Vertically center elements in the navbar.
+// Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);` to calculate the appropriate top margin.
+
+@mixin navbar-vertical-align($element-height) {
+  margin-top: (($navbar-height - $element-height) / 2);
+  margin-bottom: (($navbar-height - $element-height) / 2);
+}